/Engine/Source/Runtime/MeshDescription/Public/MeshDescriptionBase.h
Returns the edges which define this triangle
void GetTriangleEdges ( [FTriangleID](API\Runtime\MeshDescription\FTriangleID) TriangleID, [TArray](API\Runtime\Core\Containers\TArray)< [FEdgeID](API\Runtime\MeshDescription\FEdgeID) > & OutEdgeIDs ) const